Generic Trigger SM 50ccm, Owner'S Manual

Page: 34 / 122

- 33 -
* Note
Grease on the brake pad may reduce brake
ability and invalidate the brake.
1.4 Rear hydraulic brake
1.4.1 Disassembly
Disassemble the rear brake cylinder set.
Disassemble the rear wheel.
* Note
•Always replace the brake pad in pairs.
•If a brake pad is reused, mark a signal
on its side before disassembly so that it
can be installed to the original position.
Remove the following components from the rear wheel.
Rear hydraulic brake
：
1. Decorative board of rear brake
2. Rear brake system
3. Brake pads
1.4.2 Inspection
Inspect whether the brake disc and brake pad are worn out
and replace them if necessary.
Measure the brake pad and brake disc and put down the
maximal value.
* Note
•Clean the rust off the brake disc with
#_120 sandpaper.
•It must be measured with a bore groove
vernier caliper or microcaliper.
Measure the thickness of brake pad.
If the thickness of brake pad is less than the maintenance
value or it is polluted by grease, just replace it.
QJ50-23 and QJ50-23A can be applied to all
rear
brakes.
Diameter of rear
hydraulic brake φ 220mm
Allowable limit: Brake pad 3.0 mm
Brake disc 3.0 mm
1.4.3 Installation
Install the rear wheel.
Install the rear brake cylinder back to the original position.
Install the decorative board of rear brake back to the
original position.
Brake pad
Rear bra
ke
system